
#
# def change(a):
#     print(a)
#     a = "syan"
#     print(a)
#
# b = "bob"
# print(b)
# change(b)
# print(b)


#
# def change():
#     print(names)
#     names[0] = "Mack"
#     names.append("lili")
#     info["age"] = 22
# names = ["bob","tom"]
# info = {"syan":"rain"}
# change()
# print(names,info)






# def stu_register(name,age,country,course):
#     print("----注册学生信息------")
#     print("姓名:",name)
#     print("age:",age)
#     print("国籍:",country)
#     print("课程:",course)
#
# stu_register("王山炮",22,"CN","python_devops")
# stu_register("张叫春",21,"CN","linux")
# stu_register("刘老根",25,"CN","linux")


def calc(n):
    # print(n)
    if int(n/2)>0:
        n = calc(int(n/2))
    # print(n)
    return n
print(calc(10))


















